package net.zjitc.service.impl;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import net.zjitc.dao.UserDao;
import net.zjitc.domain.User;
import net.zjitc.service.UserService;
import org.apache.logging.log4j.util.Strings;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.util.List;

@Service
public class UserServiceImpl implements UserService {
    @Autowired
    private UserDao userDao;
    @Override
    public Boolean add(User user) {
        userDao.insert(user);
        return null;
    }

    @Override
    public void deleteById(Integer id) {
        userDao.deleteById(id);
    }

    @Override
    public User findById(Integer id) {
        return userDao.selectById(1);
    }
    @Override
    public Boolean updateUser(User user) {
        return userDao.updateById(user) == 1;
    }

    @Override
    public List<User> findPage(int currentPage, int pageSize, User user) {
        LambdaQueryWrapper<User> wrapper=new LambdaQueryWrapper<>();
        wrapper.like(Strings.isNotEmpty(user.getUsername()), User::getUsername,
                user.getUsername());
        wrapper.like(Strings.isNotEmpty(user.getGender()), User::getGender,
                user.getGender());
        wrapper.like(Strings.isNotEmpty(user.getEmail()), User::getEmail,
                user.getEmail());
        IPage<User> page = new Page<>(currentPage,pageSize);
        userDao.selectPage(page,wrapper);
        return page.getRecords();
    }

}
